Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sit-up”


noun [C]     /ˈsɪt.ʌp/ US  /ˈsɪt̬-/
a type of exercise in which someone sits up from a lying position, designed to make the abdominal muscles strongerExercising and training
(Definition of sit-up noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of sit-up

Definitions of “sit-up” in other dictionaries

Translations of “sit-up”

Word of the Day


showing a wish to help or bring advantages to others, even if it results in disadvantage for yourself

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More